<template>
	<view class="container">
		<view class="carousel">
			<swiper indicator-dots circular=true duration="400">
				<swiper-item class="swiper-item" v-for="(item,index) in goodsMsg.goodsImgList" :key="index">
					<view class="image-wrapper">
						<image
							:src="item.imgUrl" 
							class="loaded" 
							mode="aspectFill"
						></image>
					</view>
				</swiper-item>
			</swiper>
		</view>
		<view class="introduce-section">
			<text class="title">{{goodsMsg.name}}</text>
			<view class="price-box">
				<text class="price-tip">¥</text>
				<text class="price">{{goodsMsg.salePrice}}</text>
				<text class="m-price">¥{{goodsMsg.counterPrice}}</text>
				<text class="coupon-tip">{{goodsMsg.discount}}折</text>
			</view>
			<view class="bot-row">
				<text>销量: {{goodsMsg.sellVolume}}</text>
				<text>库存: {{goodsMsg.goodsNumber}}</text>
				<text>浏览量: {{goodsMsg.readNum}}</text>
			</view>
		</view>
		<!--  分享 
		<view class="share-section" @click="share">
			<view class="share-icon">
				<text class="yticon icon-xingxing"></text>
				 返
			</view>
			<text class="tit">该商品分享可领49减10红包</text>
			<text class="yticon icon-bangzhu1"></text>
			<view class="share-btn">
				立即分享
				<text class="yticon icon-you"></text>
			</view>
		</view>
		-->
		<view class="c-list">
			<view class="c-row b-b">
				<text class="tit">促销活动</text>
				<view class="con-list">
					{{goodsMsg.promotionDesc}}
				</view>
			</view>
			<!--
			<view class="c-row b-b">
				<text class="tit">服务</text>
				<view class="bz-list con">
					<text>7天无理由退换货 ·</text>
					<text>假一赔十 ·</text>
				</view>
			</view>
			-->
		</view>
		<view class="detail-desc">
			<view class="d-header">
				<text>图文详情</text>
			</view>
			<rich-text :nodes="htmlNodes"></rich-text>
		</view>
		<!-- 底部操作菜单 -->
		<view class="page-bottom">
			<navigator url="/pages/index/index" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-xiatubiao--copy"></text>
				<text>首页</text>
			</navigator>
			<view class="p-b-btn flex uni-tab__cart-button-left uni-tab__shop-cart" @click="goToCart">
				<view class="yticon icon-gouwuche">
				</view>
				<view class="flex uni-tab__dot-box">
					<view v-if="cartProductNum" :class="{ 'uni-tab__dots': cartProductNum > 9 }" class="uni-tab__dot ">
						{{cartProductNum}}
					</view>
				</view>
				<text>购物车</text>
			</view>
			<view class="p-b-btn" :class="{active: favorite}" @click="toggleCollect">
				<text class="yticon icon-shoucang"></text>
				<text>收藏</text>
			</view>
			<view class="action-btn-group">
				<button v-if="!hasLogin" type="primary" class=" action-btn no-border buy-now-btn" @click="login">登录购买</button>
				<button v-if="!hasLogin " type="primary" open-type="share" class=" action-btn no-border add-cart-btn" @click="share">点击分享</button>
				<button v-if="hasLogin" type="primary" class=" action-btn no-border buy-now-btn" @click="toggleSpec(true)">立即购买</button>
				<button v-if="hasLogin" type="primary" class=" action-btn no-border add-cart-btn" @click="toggleSpec(false)">加入购物车</button>
			</view>
		</view>
		
		
		<!-- 规格-模态层弹窗 -->
		<view 
			class="popup spec" 
			:class="specClass"
			@touchmove.stop.prevent="stopPrevent"
			@click="toggleSpec"
		>
			<!-- 遮罩层 -->
			<view class="mask"></view>
			<view class="layer attr-content" @click.stop="stopPrevent">
				<view class="a-t">
					<image :src="goodsMsg.listPicUrl"></image>
					<view class="right">
						<text class="price">¥{{selectProduct.salePrice}}</text>
						<text class="stock">库存：{{selectProduct.goodsNumber}}</text>
					</view>
					<uni-number-box
						class="step"
						:min="1" 
						:max="selectProduct.goodsNumber"
						:value="buyNum"
						:isMax="buyNum>=selectProduct.goodsNumber?true:false"
						:isMin="buyNum===1"
						@eventChange="numberChange"
					></uni-number-box>
				</view>
				<view v-for="(item,index) in goodsSpecificationsList" :key="index" class="attr-list">
					<text>{{item[0].specificationName}}</text>
					<view class="item-list">
						<view v-for="(childItem,childIndex) in item" :key="childIndex" class="tag-view"  @click="selectSpec(childItem.id,childItem.specificationId)">
							<uni-tag :text="childItem.value" :class="{'uni-tag--select':childItem.selected}"></uni-tag>
						</view>
					</view>
				</view>
				<button v-if="isBuyNow" class="btn" @click="buy">立即购买</button>
				<button v-if="!isBuyNow" class="btn" @click="addToCart">加入购物车</button>
			</view>
		</view>
	</view>
</template>

<script>
	import htmlParser from '@/common/html-parser'
	import uniTag from '@/components/uni-tag/uni-tag.vue'
	import uniNumberBox from '@/components/uni-number-box.vue'
	import uniBadge from '@/components/uni-badge/uni-badge.vue'
	import commonOnLoad from '../../common/common_on_load.js';  
	import {
		mapState,
		mapGetters
	} from 'vuex'
	
	export default{
		computed: {
			...mapGetters(['hasLogin']),
		},
		components: {
			uniTag,
			uniNumberBox,
			uniBadge
		},
		data() {
			return {
				specClass: 'none',
				specSelected:[],
				goodsMsg:{goodsImgList:[],goodsNumber:0},
				favorite: false,
				shareList: [],
				htmlNodes: '',
				isBuyNow:false,
				products:[],
				selectProduct:{goodsNumber:0},
				goodsSpecificationsList:[],
				buyNum:1,
				cartProductNum:"0",
				isAddCard:false,
			};
		},
		onLoad(options){
			commonOnLoad.commonOnLoad(this.$mRoutesConfig.detail,options,options.referenceId);//options.referenceId
			if (options && options.id) {
				this.id = options.id;
				this.getGoods(this.id);
				this.getCartProductNum();
			}
			// #ifdef MP
			if (!this.$store.getters.hasLogin ) {
				this.$store.commit("SET_IS_SILENT_LOGIN", true);
				this.silentLogin();
			}
			// #endif
		},
		onShareAppMessage() {
			let path = "/pages/detail/detail?id="+ this.id;
			if(this.$store.getters.hasLogin){
				path = path + "&referenceId=" + this.$store.state.userInfo.id;
			}
			return {
				title: this.goodsMsg.name ? this.goodsMsg.name : this.$mConfig.descTxt,
				path: path,
				imageUrl:this.goodsMsg.listPicUrl ? this.goodsMsg.listPicUrl : this.$mConfig.logoImgUrl
			}
		},
		methods:{
			//规格弹窗开关
			toggleSpec(isBuyNow) {
				this.isBuyNow = isBuyNow;
				if(this.specClass === 'show'){
					this.specClass = 'hide';
					setTimeout(() => {
						this.specClass = 'none';
					}, 250);
				}else if(this.specClass === 'none'){
					this.specClass = 'show';
				}
			},
			//选择规格
			selectSpec(spId,spParentId){
				var selectSpecificationsIds = '';
				this.specSelected=[];
				for(var j=0;j<this.goodsSpecificationsList.length;j++){
					for(var k=0;k<this.goodsSpecificationsList[j].length;k++){
						if(this.goodsSpecificationsList[j][k].specificationId == spParentId){
							if(this.goodsSpecificationsList[j][k].id == spId){
								this.goodsSpecificationsList[j][k].selected = true;
								this.specSelected.push(this.goodsSpecificationsList[j][k]);
								if(selectSpecificationsIds == ''){
									selectSpecificationsIds = selectSpecificationsIds + this.goodsSpecificationsList[j][k].id;
								}else{
									selectSpecificationsIds = selectSpecificationsIds + "_" + this.goodsSpecificationsList[j][k].id;
								}
							}else{
								this.goodsSpecificationsList[j][k].selected = false;
							}
						}else if(this.goodsSpecificationsList[j][k].selected){
							this.specSelected.push(this.goodsSpecificationsList[j][k]);
							if(selectSpecificationsIds == ''){
								selectSpecificationsIds = selectSpecificationsIds + this.goodsSpecificationsList[j][k].id;
							}else{
								selectSpecificationsIds = selectSpecificationsIds + "_" + this.goodsSpecificationsList[j][k].id;
							}
						}
					}
				}
				for(var i=0;i<this.products.length;i++){
					if(this.products[i].goodsSpecificationIds == selectSpecificationsIds){
						this.selectProduct = this.products[i];
						break;
					}
				}
			},
			//分享
			share(){
				//this.$refs.share.toggleMask();	
			},
			//收藏
			toFavorite(){
				this.favorite = !this.favorite;
			},
			async buy(){
				let data = await this.$apis.buyProduct(this.selectProduct.id,this.buyNum,{});
				if(data.code == 0){
					this.$mRouter.push({
						route: this.$mRoutesConfig.orderEdit,
						query: {
							id : data.orderId
						}
					});
				}
			},
			stopPrevent(){
			},
			async getGoods(goodsId) {
				var query = {
					from:this.from,
					referenceId:this.$store.state.referenceId
				};
				let data = await this.$apis.getGoodsById(goodsId,query);
				this.goodsMsg = data.goods;
				this.goodsSpecificationsList = data.goodsSpecificationsList;
				this.products = data.products;
				this.showGoods();
			},
			showGoods(){
				this.selectProduct = this.products[0];
				for(var i=0;i<this.products.length;i++){
					if(this.products[i].primaryProduct==1){
						this.selectProduct = this.products[i];
						break;
					}
				}
				this.specSelected = [];
				if(!!this.selectProduct){
					var selectSpecificationsIds = this.selectProduct.goodsSpecificationIds.split("_");
					for(var j=0;j<this.goodsSpecificationsList.length;j++){
						for(var k=0;k<this.goodsSpecificationsList[j].length;k++){
							this.goodsSpecificationsList[j][k].selected=false;
							for(var i=0;i<selectSpecificationsIds.length;i++){
								if(selectSpecificationsIds[i] == this.goodsSpecificationsList[j][k].id){
									this.goodsSpecificationsList[j][k].selected=true;
									this.specSelected.push(this.goodsSpecificationsList[j][k]);
									break;
								}
							}
						}
					}
				}
				uni.setNavigationBarTitle({
					title: this.goodsMsg.name,
				});
				var htmlString = null;
				
				htmlString = this.goodsMsg.goodsDesc.replace(/\\/g, "").replace(/<img/g, "<img style=\"display:none;\"");
				
				if(this.goodsMsg.collect > 0){
					this.favorite = true;
				}else{
					this.favorite = false;
				}
				this.htmlNodes = htmlParser(htmlString);
				//share
				setTimeout(() => {
					this.showImg = true;
					// #ifdef H5  
					if (this.$wechat && this.$wechat.isWechat()) {  
						var url = this.$mConfig.baseUrl + "/api/shorturl/" + this.$mConfig.mpAppId + "/detail?id=" + this.id;
						if(this.$store.getters.hasLogin){
							url = url + "&referenceId=" + this.$store.state.userInfo.id;
						}
						 this.$wechat.share({  
							  desc: this.goodsMsg.goodsBrief,  
							  img: this.goodsMsg.listPicUrl,  
							  title:this.goodsMsg.name,  
						},url);  
					}  
					// #endif  
				}, 1000);
			},
			//收藏
			async toggleCollect(){
				var query = {};
				if(this.favorite){  //取消
					let data = await this.$apis.delCollect(this.id,query);
					this.goodsMsg.collect = 0;
				}else{
					let data = await this.$apis.addCollect(this.id,query);
					this.goodsMsg.collect = 1;
				}
				this.favorite = !this.favorite;
			},
			goToCart(){
				this.$mRouter.push({
					route: this.$mRoutesConfig.cart,
					query: {
					}
				})
			},
			async addToCart(){
				if(this.isAddCard)
					return;
				var query = {
					buyNum:this.buyNum
				};
				if(!!this.selectProduct){
					let data = await this.$apis.addToCart(this.selectProduct.id,query);
					if(data.code == 0){
						this.cartProductNum  = this.cartProductNum + this.buyNum;
						this.isAddCard = true;
						uni.showToast({
							title: "已添加至购物车！",
							icon: "none",
						});
					}
				}
			},
			numberChange(data){
				this.buyNum = data.number;
			},
			async getCartProductNum(){
				var query = {
				};
				let data = await this.$apis.cartProductNum(query);
				if(data.code == 0){
					this.cartProductNum = "" + data.cartProductNum;
				}
			},
		},
	}
</script>

<style lang='scss'>
	page{
		background: $page-color-base;
		padding-bottom: 160upx;
	}
	.icon-you{
		font-size: $font-base + 2upx;
		color: #888;
	}
	.carousel {
		height: 722upx;
		position:relative;
		swiper{
			height: 100%;
		}
		.image-wrapper{
			width: 100%;
			height: 100%;
		}
		.swiper-item {
			display: flex;
			justify-content: center;
			align-content: center;
			height: 750upx;
			overflow: hidden;
			image {
				width: 100%;
				height: 100%;
			}
		}
		
	}
	
	/* 标题简介 */
	.introduce-section{
		background: #fff;
		padding: 20upx 30upx;
		
		.title{
			font-size: 32upx;
			color: $font-color-dark;
			height: 50upx;
			line-height: 50upx;
		}
		.price-box{
			display:flex;
			align-items:baseline;
			height: 64upx;
			padding: 10upx 0;
			font-size: 26upx;
			color:$uni-color-primary;
		}
		.price{
			font-size: $font-lg + 2upx;
		}
		.m-price{
			margin:0 12upx;
			color: $font-color-light;
			text-decoration: line-through;
		}
		.coupon-tip{
			align-items: center;
			padding: 4upx 10upx;
			background: $uni-color-primary;
			font-size: $font-sm;
			color: #fff;
			border-radius: 6upx;
			line-height: 1;
			transform: translateY(-4upx); 
		}
		.bot-row{
			display:flex;
			align-items:center;
			height: 50upx;
			font-size: $font-sm;
			color: $font-color-light;
			text{
				flex: 1;
			}
		}
	}
	/* 分享 */
	.share-section{
		display:flex;
		align-items:center;
		color: $font-color-base;
		background: linear-gradient(left, #fdf5f6, #fbebf6);
		padding: 12upx 30upx;
		.share-icon{
			display:flex;
			align-items:center;
			width: 70upx;
			height: 30upx;
			line-height: 1;
			border: 1px solid $uni-color-primary;
			border-radius: 4upx;
			position:relative;
			overflow: hidden;
			font-size: 22upx;
			color: $uni-color-primary;
			&:after{
				content: '';
				width: 50upx;
				height: 50upx;
				border-radius: 50%;
				left: -20upx;
				top: -12upx;
				position:absolute;
				background: $uni-color-primary;
			}
		}
		.icon-xingxing{
			position:relative;
			z-index: 1;
			font-size: 24upx;
			margin-left: 2upx;
			margin-right: 10upx;
			color: #fff;
			line-height: 1;
		}
		.tit{
			font-size: $font-base;
			margin-left:10upx;
		}
		.icon-bangzhu1{
			padding: 10upx;
			font-size: 30upx;
			line-height: 1;
		}
		.share-btn{
			flex: 1;
			text-align:right;
			font-size: $font-sm;
			color: $uni-color-primary;
		}
		.icon-you{
			font-size: $font-sm;
			margin-left: 4upx;
			color: $uni-color-primary;
		}
	}
	
	.c-list{
		font-size: $font-sm + 2upx;
		color: $font-color-base;
		background: #fff;
		.c-row{
			display:flex;
			align-items:center;
			padding: 20upx 30upx;
			position:relative;
		}
		.tit{
			width: 140upx;
		}
		.con{
			flex: 1;
			color: $font-color-dark;
			.selected-text{
				margin-right: 10upx;
			}
		}
		.bz-list{
			height: 40upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;
			text{
				display: inline-block;
				margin-right: 30upx;
			}
		}
		.con-list{
			flex: 1;
			display:flex;
			flex-direction: column;
			color: $font-color-dark;
			line-height: 40upx;
		}
		.red{
			color: $uni-color-primary;
		}
	}
	
	/* 评价 */
	.eva-section{
		display: flex;
		flex-direction: column;
		padding: 20upx 30upx;
		background: #fff;
		margin-top: 16upx;
		.e-header{
			display: flex;
			align-items: center;
			height: 70upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;
			.tit{
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				margin-right: 4upx;
			}
			.tip{
				flex: 1;
				text-align: right;
			}
			.icon-you{
				margin-left: 10upx;
			}
		}
	}
	.eva-box{
		display: flex;
		padding: 20upx 0;
		.portrait{
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			border-radius: 100px;
		}
		.right{
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-base;
			color: $font-color-base;
			padding-left: 26upx;
			.con{
				font-size: $font-base;
				color: $font-color-dark;
				padding: 20upx 0;
			}
			.bot{
				display: flex;
				justify-content: space-between;
				font-size: $font-sm;
				color:$font-color-light;
			}
		}
	}
	/*  详情 */
	.detail-desc{
		background: #fff;
		margin-top: 16upx;
		.d-header{
			display: flex;
			justify-content: center;
			align-items: center;
			height: 80upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			position: relative;
				
			text{
				padding: 0 20upx;
				background: #fff;
				position: relative;
				z-index: 1;
			}
			&:after{
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translateX(-50%);
				width: 300upx;
				height: 0;
				content: '';
				border-bottom: 1px solid #ccc; 
			}
		}
	}
	
	/* 规格选择弹窗 */
	.attr-content{
		padding: 10upx 30upx;
		.a-t{
			display: flex;
			image{
				width: 170upx;
				height: 170upx;
				flex-shrink: 0;
				margin-top: -40upx;
				border-radius: 8upx;;
			}
			.right{
				display: flex;
				flex-direction: column;
				padding-left: 24upx;
				font-size: $font-sm + 2upx;
				color: $font-color-base;
				line-height: 42upx;
				.price{
					font-size: $font-lg;
					color: $uni-color-primary;
					margin-bottom: 10upx;
				}
				.selected-text{
					margin-right: 10upx;
				}
			}
			.step{
				font-size: 22upx;
				line-height: 22upx;
				color: #777;
				margin-left: 110upx;
				margin-top:20upx;
				position: relative;
			}
		}
		.attr-list{
			display: flex;
			flex-direction: column;
			font-size: $font-base + 2upx;
			color: $font-color-base;
			padding-top: 30upx;
			padding-left: 10upx;
		}
		.item-list{
			padding: 20upx 0 0;
			display: flex;
			flex-wrap: wrap;
			text{
				display: flex;
				align-items: center;
				justify-content: center;
				background: #eee;
				margin-right: 20upx;
				margin-bottom: 20upx;
				border-radius: 100upx;
				min-width: 60upx;
				height: 60upx;
				padding: 0 20upx;
				font-size: $font-base;
				color: $font-color-dark;
			}
			.selected{
				background: #fbebee;
				color: $uni-color-primary;
			}
		}
	}
	
	/*  弹出层 */
	.popup {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: 99;
		
		&.show {
			display: block;
			.mask{
				animation: showPopup 0.2s linear both;
			}
			.layer {
				animation: showLayer 0.2s linear both;
			}
		}
		&.hide {
			.mask{
				animation: hidePopup 0.2s linear both;
			}
			.layer {
				animation: hideLayer 0.2s linear both;
			}
		}
		&.none {
			display: none;
		}
		.mask{
			position: fixed;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 1;
			background-color: rgba(0, 0, 0, 0.4);
		}
		.layer {
			position: fixed;
			z-index: 99;
			bottom: 0;
			width: 100%;
			min-height: 40vh;
			border-radius: 10upx 10upx 0 0;
			background-color: #fff;
			.btn{
				height: 66upx;
				line-height: 66upx;
				border-radius: 100upx;
				background: $uni-color-primary;
				font-size: $font-base + 2upx;
				color: #fff;
				margin: 30upx auto 20upx;
			}
		}
		@keyframes showPopup {
			0% {
				opacity: 0;
			}
			100% {
				opacity: 1;
			}
		}
		@keyframes hidePopup {
			0% {
				opacity: 1;
			}
			100% {
				opacity: 0;
			}
		}
		@keyframes showLayer {
			0% {
				transform: translateY(120%);
			}
			100% {
				transform: translateY(0%);
			}
		}
		@keyframes hideLayer {
			0% {
				transform: translateY(0);
			}
			100% {
				transform: translateY(120%);
			}
		}
	}
	
	/* 底部操作菜单 */
	.page-bottom{
		position:fixed;
		left: 30upx;
		bottom:30upx;
		z-index: 95;
		display: flex;
		justify-content: center;
		align-items: center;
		width: 690upx;
		height: 100upx;
		background: rgba(255,255,255,.9);
		box-shadow: 0 0 20upx 0 rgba(0,0,0,.5);
		border-radius: 16upx;
		
		.p-b-btn{
			display:flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-size: $font-sm;
			color: $font-color-base;
			width: 96upx;
			height: 80upx;
			.yticon{
				font-size: 40upx;
				line-height: 48upx;
				color: $font-color-light;
			}
			&.active, &.active .yticon{
				color: $uni-color-primary;
			}
			.icon-fenxiang2{
				font-size: 42upx;
				transform: translateY(-2upx);
			}
			.icon-shoucang{
				font-size: 46upx;
			}
		}
		.action-btn-group{
			display: flex;
			height: 76upx;
			border-radius: 100px;
			overflow: hidden;
			box-shadow: 0 20upx 40upx -16upx #fa436a;
			box-shadow: 1px 2px 5px rgba(219, 63, 96, 0.4);
			background: linear-gradient(to right, #ffac30,#fa436a,#F56C6C);
			margin-left: 20upx;
			position:relative;
			&:after{
				content: '';
				position:absolute;
				top: 50%;
				right: 50%;
				transform: translateY(-50%);
				height: 28upx;
				width: 0;
				border-right: 1px solid rgba(255,255,255,.5);
			}
			.action-btn{
				display:flex;
				align-items: center;
				justify-content: center;
				width: 180upx;
				height: 100%;
				font-size: $font-base ;
				padding: 0;
				border-radius: 0;
				background: transparent;
			}
		}
	}
	.tag-view {
		margin: 10upx 20upx;
		display: inline-block;
	}
	.uni-tag--select {
		color: #fff;
		background-color: #F56C6C;
		border: 1px solid #F56C6C
	}	
	.top_number{
		position: relative;
	}
	
	
	.uni-tab__cart-button-left {
		position: relative;
		justify-content: center;
		align-items: center;
		flex-direction: column;
		width: 100%;
		font-size: 24rpx;
	}
	.uni-tab__cart-button-left .uni-tab__text {
		margin-top: 5rpx;
		font-size: 24rpx;
		color: #666;
	}
	
	.uni-tab__cart-button-right {
		justify-content: center;
		align-items: center;
		width: 100%;
		font-size: 24rpx;
		color: #fff;
	}
	
	.uni-tab__cart-button-right:active {
		opacity: 0.7;
	}
	.uni-tab__cart-button-left .uni-tab__dot-box {
		position: absolute;
		right: 40rpx;
		top: -10rpx;
		justify-content: center;
		align-items: center;
		width: 0;
		height: 0;
	}
	
	.uni-tab__dot-box .uni-tab__dot {
		flex-shrink: 0;
		width: 30rpx;
		height: 30rpx;
		line-height: 30rpx;
		color: #ffffff;
		text-align: center;
		font-size: 12px;
		background: #ff0000;
		border-radius: 50%;
	}
	
	.uni-tab__dot-box .uni-tab__dot.uni-tab__dots {
		padding: 0 8rpx;
		width: auto;
		border-radius: 30rpx;
	}
</style>
